Mackay Reservoir - Upper Boat Ramp
Mackay Reservoir - Upper Boat Ramp is a public access point in Custer County, Idaho, providing access to Mackay Reservoir. It sits within the Upper Cedar Creek-Big Lost River watershed.
Sourced from Idaho Department of Fish and Game . Last checked against the source on July 7, 2026.
Boat ramps on Mackay Reservoir
We track 3 public boat ramps on Mackay Reservoir, including this one. If you're planning to spend your time on a different stretch of the water, one of the launch points below may put you closer to where you're actually headed than Mackay Reservoir - Upper Boat Ramp does — they're listed here in order of distance from this ramp.
- Mackay Reservoir - Middle 0.5 mi away
- Mackay Reservoir - Lower 1.5 mi away
Other boat ramps in Custer County
Custer County tracks 12 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Mackay Reservoir. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Mackay Reservoir - Upper Boat Ramp or leads somewhere completely different.
- Mackay Reservoir - Upper Mackay Reservoir less than 0.1 mi away
- Mackay Reservoir - Middle Mackay Reservoir 0.5 mi away
- Mackay Reservoir - Lower Mackay Reservoir 1.5 mi away
- Bayhorse Recreation Site Salmon River 40 mi away
- South Butte Salmon River 42 mi away
- Challis Bridge Recreation Site Salmon River 42 mi away